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Removes coordinator cancel RPC #6243

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Merged
keith-turner merged 3 commits into from
Mar 25, 2026
Merged

Removes coordinator cancel RPC #6243

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88db7a3
Removes coordinator cancel RPC
keith-turner Mar 24, 2026
4222b36
Merge branch 'main' into remove-coord-cancel
keith-turner Mar 25, 2026
09fb892
code review update
keith-turner Mar 25, 2026
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28 changes: 28 additions & 0 deletions core/src/main/java/org/apache/accumulo/core/util/compaction/ExternalCompactionUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
package org.apache.accumulo.core.util.compaction;

import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.apache.accumulo.core.metadata.schema.TabletMetadata.ColumnType.ECOMP;
import static org.apache.accumulo.core.util.threads.ThreadPoolNames.COMPACTOR_RUNNING_COMPACTIONS_POOL;
import static org.apache.accumulo.core.util.threads.ThreadPoolNames.COMPACTOR_RUNNING_COMPACTION_IDS_POOL;

Expand Down Expand Up @@ -47,6 +48,8 @@
import org.apache.accumulo.core.lock.ServiceLockPaths.AddressSelector;
import org.apache.accumulo.core.lock.ServiceLockPaths.ResourceGroupPredicate;
import org.apache.accumulo.core.lock.ServiceLockPaths.ServiceLockPath;
import org.apache.accumulo.core.metadata.schema.Ample;
import org.apache.accumulo.core.metadata.schema.CompactionMetadata;
import org.apache.accumulo.core.metadata.schema.ExternalCompactionId;
import org.apache.accumulo.core.rpc.RpcFuture;
import org.apache.accumulo.core.rpc.ThriftUtil;
Expand Down Expand Up @@ -313,4 +316,29 @@ public static void cancelCompaction(ClientContext context, HostAndPort compactor
ThriftUtil.returnClient(client, context);
}
}

public static Optional<HostAndPort> findCompactorRunningCompaction(ClientContext context,
ExternalCompactionId ecid) {
for (var level : Ample.DataLevel.values()) {
var compactor = findCompactorRunningCompaction(context, level, ecid);
if (compactor.isPresent()) {
return compactor;
}
}

return Optional.empty();
}

private static Optional<HostAndPort> findCompactorRunningCompaction(ClientContext context,
Ample.DataLevel level, ExternalCompactionId ecid) {
try (var tablets = context.getAmple().readTablets().forLevel(level).fetch(ECOMP).build()) {
Optional<Map.Entry<ExternalCompactionId,CompactionMetadata>> ecomp =
tablets.stream().flatMap(tm -> tm.getExternalCompactions().entrySet().stream())
.filter(e -> e.getKey().equals(ecid)).findFirst();
return ecomp.map(entry -> HostAndPort.fromString(entry.getValue().getCompactorId()));
} catch (Exception e) {
throw new IllegalStateException("Exception calling cancel compaction for " + ecid, e);
}
}

}
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